Midsole of a shoe



FIG. 1 is a bottom plan view of a midsole of a shoe showing my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a front elevational view of the midsole; and,

FIG. 5 is a rear elevational view thereof.

The broken line showing of an upper and outsole in FIGS. 1-5 is for illustrative purposes only and forms no part of the claimed invention. 

The ornamental design for a midsole of a shoe, as shown and described. 